{"uid":"cap_TO7DZhjXD_dWBhiqqDTlR","slug":"market-calendar-api-is-banking-day-247b0457","name":"Market Calendar API – Is Banking Day","description":"Tells whether a date is a banking/settlement day for euro payments (TARGET2/SEPA), US Fedwire or Switzerland (SIX), with the reason and the next banking day.","url":"https://market-calendar-api.onrender.com/v1/is-banking-day?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["zone"],"properties":{"date":{"type":"string","description":"Date YYYY-MM-DD. Default: today."},"zone":{"type":"string","description":"TARGET2, US or CH"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.014","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.014/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.014","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.014","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_whdw8-tRRaV5Uy3ERZgAt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.014","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns whether a given date is a banking/settlement day for TARGET2 (euro/SEPA), US Fedwire, or Switzerland (SIX), plus the reason and next valid banking day.","exampleAgentPrompt":"Is December 26, 2025 a banking settlement day for TARGET2 euro payments, and if not, what's the next valid banking day?","exampleUseCases":[{"title":"Pre-trade settlement date validation","prompt":"Before we send a cross-border euro wire today (June 19, 2025), can you confirm whether it's a TARGET2 banking day and, if not, tell me the next one so we know when it will actually settle?"},{"title":"US Fedwire cut-off planning","prompt":"Is July 4, 2025 a valid banking day for US Fedwire transfers? We need to know if we should schedule the payment the day before."},{"title":"Swiss SIX settlement check","prompt":"Can you check if August 1, 2025 is a banking day in Switzerland under SIX, and what the reason is if it's not?"}],"resultDescription":"The endpoint returns a JSON object indicating whether the queried date is a banking/settlement day for the specified zone (TARGET2, US, or CH), the reason (e.g. holiday name) if it is not a banking day, and the date of the next valid banking day in that zone.","failureModes":["Missing required 'zone' parameter returns a 400 or validation error","Invalid zone value (not TARGET2, US, or CH) returns an error","Malformed date format (not YYYY-MM-DD) causes a parsing error","Network/server unavailability on the Render.com host returns a 503","No response for very far future dates if calendar data is not populated"],"whenToPreferThis":"Use this endpoint when you need to verify whether a specific date is a valid payment settlement day for a particular financial zone (TARGET2/SEPA, US Fedwire, or Swiss SIX) before scheduling or routing a payment, or when you need to determine the next valid banking day for cut-off and scheduling logic. It is purpose-built for payment operations teams, treasury systems, and financial agents that need authoritative holiday-aware settlement calendar lookups per zone — not for general business-day calculations or stock market trading day checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:06:28.501Z","isFirstParty":false,"canonicalSlug":"market-calendar-api-is-banking-day-247b0457"}